Table 1. Patient characteristics.
| Total | Chem+Sur+RT | Chem+RT | Chem+Sur | Chem Only | ||
|---|---|---|---|---|---|---|
| Variable | n = 45,321 | n = 1,237(%) | n = 24,966(%) | n = 1,339(%) | n = 17,779(%) | P value |
| Sex | <0.001 | |||||
| • Male | 25114 | 644(52.1) | 13983(56.0) | 661(49.4) | 9826(55.3) | |
| • Female | 20207 | 593(47.9) | 10983(44.0) | 678(50.6) | 7953(44.7) | |
| Race | <0.001 | |||||
| • White | 35194 | 1028(83.1) | 19456(77.9) | 1054(78.7) | 13656(76.8) | |
| • Black | 6108 | 131(10.6) | 3458(13.9) | 160(11.9) | 2359(13.3) | |
| • Other | 4019 | 78(6.3) | 2052(8.2) | 125(9.4) | 1764(9.9) | |
| Pathological grading | <0.001 | |||||
| • Grade I | 1108 | 45(3.6) | 402(1.6) | 152(11.4) | 509(2.9) | |
| • Grade II | 5056 | 274(22.2) | 2535(10.1) | 423(31.6) | 1824(10.3) | |
| • Grade III | 13212 | 605(48.9) | 7432(29.8) | 506(37.8) | 4669(26.3) | |
| • Grade IV | 909 | 46(3.7) | 489(2.0) | 38(2.8) | 336(1.9) | |
| • Unknown | 25036 | 267(21.6) | 14108(56.5) | 220(16.4) | 10441(58.6) | |
| Stage of T/N | <0.001 | |||||
| • Stage I | 4374 | 268(21.7) | 2461(9.9) | 311(23.2) | 1334(7.5) | |
| • Stage II | 2518 | 179(14.5) | 1424(5.7) | 185(13.8) | 730(4.1) | |
| • Stage IIIa | 10003 | 317(25.6) | 6131(24.6) | 227(17.0) | 3328(18.7) | |
| • Stage IIIb | 28426 | 473(38.2) | 14950(59.8) | 616(46.0) | 12387(69.7) |
Abbreviations: Chem: chemotherapy; RT: radiation; Sur: surgery.